MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, many pointing to a redirector infrastructure identified as malicious. The document body, though partially corrupted, includes text related to PDF to JPG conversion and a URL that is also flagged as a malicious redirector. This suggests a phishing or scam attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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://ttraff.ru/wb?keyword=como%20converter%20arquivo%20pdf%20em%20imagem%20jpg In PDF document text
- http://files.wfut.org/uploads/1/3/1/3/131379312/lonudobet.pdfIn PDF document text
- http://files.janecaldwell.com/uploads/1/3/2/6/132683330/maviva-ruxewib-nokonovaxekil-lopogixokapawid.pdfIn PDF document text
- http://files.ameliaandcompany.com/uploads/1/3/2/6/132682233/togosijorogabikikal.pdfIn PDF document text
- http://files.irieiwaforstudentsinc.org/uploads/1/3/0/8/130814900/tixavi_degujomemugori_kujapapube.pdfIn PDF document text
- http://files.ibnsinagroup.com/uploads/1/3/0/8/130873794/2155159.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/gipal.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/6408/1046/files/wazuponik.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4945/9605/files/kutukaluminukijobunub.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5534/1977/files/43533182240.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2308/1378/files/63163811503.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6302/4542/files/42686415391.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7049/6661/files/lunejovotoraluvugowopo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/doworefobose.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/5837/9417/files/cornerstone_chords_e.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1089/1682/files/westworld_black_hole_sun_sheet_music.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9315/5230/files/tonujuwopebumiv.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
🗂 Part of campaign:
irieiwaforstudentsinc.org
3 samples
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007193.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7193 | 5432 bytes |
SHA-256: 57664ab3d9aa2ca317dd896cd8a0a2018f0f372d7e8c573d5fa8b69d978ee621 |
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font_01_sfnt_off000083f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x83F8 | 12316 bytes |
SHA-256: efad70ea9abd56ef9649dcc3097e643f7169f8c383ea5e4bd4cd2a3159a1df2b |
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font_02_sfnt_off0000a97b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA97B | 16204 bytes |
SHA-256: ac562fa2c037d8dcff1fcd6e6f1f7a24cfc2bf7614a7cfe389b5b56a27969dbc |
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font_03_sfnt_off0000bebd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBEBD | 4324 bytes |
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
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