MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF was flagged as malicious due to a critical heuristic identifying it as a link farm pointing to known malicious redirector infrastructure. The document body contains the URL https://ttraff.cc/pify?keyword=genetics+questions+worksheet, which is likely used to obscure the final malicious destination. The presence of numerous embedded URLs, many pointing to Shopify domains, suggests an attempt to distribute malicious content through a seemingly legitimate platform.
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.cc/pify?keyword=genetics+questions+worksheet In PDF document text
- http://files.zejmusic.com/uploads/1/3/1/0/131070934/31feb590b.pdfIn PDF document text
- http://files.viptowingcorp.com/uploads/1/3/0/8/130874118/morekigagigobid_numajimipuwoze.pdfIn PDF document text
- http://files.millerpac.com/uploads/1/3/1/6/131637255/e713f0f951c.pdfIn PDF document text
- http://kazup.doortodoorandmore.com/uploads/1/3/1/3/131378776/7e98f96c7270a0.pdfIn PDF document text
- http://bakuri.philosophiesofeastandwest.org/uploads/1/3/2/6/132680813/133311.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/1/0438/1615/7344/files/descargar_50_sombras_mas_oscuras_gratis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7074/9861/files/82921455205.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4145/5254/files/guzapibenuberipil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3020/0991/files/ripoxuzufetavemumawubali.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5073/6533/files/free_weekly_calendar_template.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9461/4940/files/banenenisurup.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0763/0747/files/amazing_grace_sheet_music_f_major.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5357/9430/files/kikijitopo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3899/6642/files/bluestacks_3_for_pc_apk.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5026/1911/files/16472342113.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0361/7173/files/learn_bisaya_language.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/5335/6955/files/add_google_font_to_stylesheet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3477/1610/files/angielski_w_tumaczeniach._sytuacje.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4166/8772/files/jibozafudofaw.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
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000654c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x654C | 4840 bytes |
SHA-256: b0a0a1c1e18cd0b16b011f4b711fe04402901fdf75b576ba58942876c0f7908e |
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font_01_sfnt_off000075db.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75DB | 10132 bytes |
SHA-256: 15f29cb2abcd14d735ae4f5e11cc9787cedc0ff57400bf8908478d6cf1b4ec70 |
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font_02_sfnt_off00009892.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9892 | 4324 bytes |
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
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