MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file is identified as malicious by ML classifiers and ClamAV, indicating it's likely a phishing or trojan delivery mechanism. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm or SEO spam operation designed to redirect users to potentially malicious content. The embedded document body text, though corrupted, appears to be a lure related to finding book information, which is then used to disguise the malicious intent of the link farm.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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://leonvi.ru/strik?utm_term=find+the+dewey+decimal+number+for+a+book PDF link annotation
- http://ionatr.fun/mivopuvezl0pip.pdfIn PDF document text
- http://mx50off.pro/pitinolir54z58.pdfIn PDF document text
- https://vorapitejure.weebly.com/uploads/1/3/4/6/134605364/bodexatabepunir_robedisig_pidufifimipu_mofepim.pdfIn PDF document text
- http://xuvaguwanolinu.66ghz.com/ffxiv_arcanist_summoner_guide.pdfIn PDF document text
- http://buvofigutunam.22web.org/paying_a_charge_off_on_credit_report.pdfIn PDF document text
- http://xavolavuduxi.22web.org/canon_mg3520_wont_connect_to_wifi.pdfIn PDF document text
- http://mushygushysayings.com/13169644796jm557.pdfIn PDF document text
- https://pabimoju.weebly.com/uploads/1/3/3/9/133997489/de8c49918faf.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fobapisarut.epizy.com/53372778851.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fd5c2f4c-23a8-4fd9-a16b-e0b3150b6a46/soleus_air_10_000_btu_portable_air_conditioner_ky3-100.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0eeb47ab-efbf-4d33-b23c-67d8716fd56b/voberikeguro.pdfIn PDF document text
- https://s3.amazonaws.com/sizadagazagaj/dujuboxusogisofoxibuvu.pdfIn PDF document text
- http://magivuxitafexox.rf.gd/31344277927.pdfIn PDF document text
- https://s3.amazonaws.com/rimepusox/90495462956.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6e310346-e165-48a7-8e4a-e54b72a58ee3/nj_transit_monthly_bus_pass_zone_1.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/799f3c1e-a893-4ba0-ac16-9c70ab312221/reset_frigidaire_affinity_top_load_washing_machine.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/275a607d-e9fc-499f-89d3-8b3bd1f8a1eb/how_to_do_step_4_fears.pdfIn PDF document text
- https://s3.amazonaws.com/rizijubovapuk/ronco_showtime_rotisserie_chicken.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/55d9a5e9-3a5e-473e-9644-8893d0f1ef96/xalozomubisibipubifilex.pdfIn PDF document text
- https://s3.amazonaws.com/dibedamoka/fodise.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00013a21.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13A21 | 5436 bytes |
SHA-256: 43e0a8385ab834226204cae797b22e93a9259efb8c982b789f33a313dec547d5 |
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font_01_sfnt_off00014c8e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14C8E | 11024 bytes |
SHA-256: 40e574d0e0e28be15fc6ca1e033ce346f2f8824afb8a22b3b57e136e56ce2449 |
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font_02_sfnt_off0001723e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1723E | 16204 bytes |
SHA-256: 541fa2b6826b0add99b7d5a173ef1e6a5567607b5192f75b810eb17d6a563501 |
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