MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 Malicious Link
T1059.001 PowerShell
The PDF contains a mass external link farm, with one critical link pointing to a known malicious redirector infrastructure. The document body and heuristics suggest a lure for credential harvesting, specifically mentioning MFA or one-time code collection. The primary malicious IOC is the redirector URL: https://ttraff.ru/pify?keyword=android+whatsapp+backup+restore+from+icloud.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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MFA / one-time-code harvesting lure high SE_MFA_LUREDocument asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
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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/pify?keyword=android+whatsapp+backup+restore+from+icloud In PDF document text
- http://files.carolinedancewest.com/uploads/1/3/0/8/130814232/sidirukuwakezezafe.pdfIn PDF document text
- http://files.mezfantasypublishing.com/uploads/1/3/2/6/132695258/peranunulekelog.pdfIn PDF document text
- http://files.ziara.org/uploads/1/3/1/6/131607866/1138645.pdfIn PDF document text
- http://jivid.jdbolter.net/uploads/1/3/1/4/131406437/rebudiselefo_tufokigugik_vanuris.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6945/7055/files/81719532138.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3720/3364/files/aarp_games_solitaire.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4762/3592/files/87799138680.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9586/6010/files/42615409590.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9651/4461/files/brche_division_aufgaben.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4624/7332/files/10290235595.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1514/2567/files/33078685051.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5763/5735/files/vidasinufezowujiwibewi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3497/6157/files/35782697768.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2483/4975/files/jojizu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6702/3259/files/nawenuvewedepajimiwif.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1939/3448/files/funufafenemigidosidi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9892/3427/files/7946411959.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6926/8383/files/lulisukobutususifixu.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000067a1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x67A1 | 5680 bytes |
SHA-256: 0d1c1baf4eb874dfb4be9437513946343935cbdd5d86e71f15c7c24ef0609167 |
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font_01_sfnt_off00007ad1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7AD1 | 10108 bytes |
SHA-256: e759c2cda9dfed965901209c072130e8d9a637d16487c38b9ad74787da287fdf |
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