MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a phishing or malware distribution intent. The file contains numerous links pointing to external websites, many hosted on compromised WordPress sites, suggesting a link farm or redirection mechanism. The presence of external URIs and link farms indicates an attempt to direct the user to potentially malicious content or downloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://archism.ru/uplcv?utm_term=north+of+highland+camping+area
- http://aptchasers.com/FCKeditor/userfiles/file/lupubunuxag.pdf
- http://asupuro.com/user_data/image//file/gulimil.pdf
- http://www.morenoroofing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5cc89ab1ff---nuwobuxefeguvawiw.pdf
- https://sipare.com.ar/wp-content/plugins/super-forms/uploads/php/files/kv8ftct2hjs3dkgjtor25tjfga/wozokobar.pdf
- https://drmiamiconnect.com/wp-content/plugins/super-forms/uploads/php/files/f0f44b7a9f3b7f54fcfba78f158f966b/naxuzodazebomebulokes.pdf
- https://bonpetsupply.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090b80711bcd---63552692787.pdf
- http://www.wallisandemmanuel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160994956a79fa---mivajuwujemewenupafoxa.pdf
- https://lea-inc.com/wp-content/plugins/super-forms/uploads/php/files/d41e3dbf932107caabfe8febbf4f2fb4/28035478150.pdf
- https://dazzlin.co.uk/wp-content/plugins/super-forms/uploads/php/files/ac5e6802ee0eebafabaf91a4f06da85f/levuliwaboruti.pdf
- https://humanistbeauty.com/wp-content/plugins/super-forms/uploads/php/files/hrt758a4ua3sql76mlvcv2k7nq/guduxoxasudiwufutawaso.pdf
- http://fence-alarm.com/userfiles/files/beniwojevulenudugikirag.pdf
- http://geose.ru/userfiles/file/31196241115.pdf
- http://mateuszkucharski.pl/admin/file/28595000602.pdf
- https://www.lorenzofranzone.it/wp-content/plugins/super-forms/uploads/php/files/8103435f2c503522e6004bb117f76ed1/lojumapojiwi.pdf
- http://i-dron.cz/data/file/duzapukironowonexiji.pdf
- http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160733aca150f8---mifovopupefaxiluzedi.pdf
- https://www.thecandystoresudbury.com/wp-content/plugins/super-forms/uploads/php/files/nnuol89uj1jblqrhc98bpb15ms/sepofodosoguwovabalifuzo.pdf
- https://www.lindopoint.it/wp-content/plugins/super-forms/uploads/php/files/950f8753ba0f39d87cf56b428cfa3dfe/telemas.pdf
- http://ahcxdq.com/uploads/file/281211357114.pdf
- https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/os5s79tt5sh4goeo0taufk0p61/53319023756.pdf
- http://traiteur-ribot.fr/userfiles/file/16483503860.pdf
- https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/160adf03710bb3---vububusagosotilud.pdf
- https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096021d55e7d---69762034111.pdf
- http://www.molinoag.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077114933d2f---nisoruwezatujaxome.pdf
- http://southportrubbish.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c205c798a69---64904807216.pdf
- http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608430d5a4cc8---soweb.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c950.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC950 | 16792 bytes |
font_01_sfnt_off0000e162.bin44a7b32f56e0557784b79e8c11e2b28a3a54b172023bad873c4c23408967b5d0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE162 | 16400 bytes |
font_02_sfnt_off00010bdd.bin2f30d92cefd8d4ada1ce547ae886ec4e5871a3a37f7e080531394a2b09d1aeb5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BDD | 10876 bytes |
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