MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a lure for an advance-fee scam, presenting itself as a worksheet with answers. It embeds numerous links, with one leading to a known malicious redirector at 'ttraff.ru'. This redirector likely serves as a gateway to further malicious content or phishing pages. The document body, though heavily obfuscated, contains the URL that triggered the heuristic.
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/pify?keyword=america+the+story+of+us+cities+worksheet+pdf+answers In PDF document text
- http://files.livingwordinkentucky.com/uploads/1/3/1/4/131453256/safuwin.pdfIn PDF document text
- http://files.timelessartist.com/uploads/1/3/1/0/131070212/b35ce8.pdfIn PDF document text
- http://files.olopchapel.org/uploads/1/3/2/6/132681698/donuvijirozibakoz.pdfIn PDF document text
- http://files.almabryantyearbook.com/uploads/1/3/1/4/131453615/8281207.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/1/0434/4355/2416/files/laberuwoja.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0209/3987/files/bezugipevibeposepatizapi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7709/8913/files/16661032780.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3292/6616/files/lg_wade_organic_chemistry_8th_edition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8457/0019/files/causes_and_prevention_of_diabetes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1110/5191/files/biltong_recipes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5313/7576/files/vibarixewigupi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7923/6760/files/zogirewezosibisu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8529/9876/files/cbse_class_9_english_literature_reader_book_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5863/3627/files/98480347859.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9198/3512/files/sarewetal.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8827/2807/files/demokrasi_amerika_serikat.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5913/5132/files/sirudafarutabogawa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5680/8607/files/56279295859.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1734/6965/files/42295451700.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
🗂 Part of campaign:
almabryantyearbook.com
3 samples
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001625b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1625B | 5612 bytes |
SHA-256: c992ad6e38b4d1afc3cba829bd47a197fbd3b6835d607092b8f95193b3475215 |
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font_01_sfnt_off0001755a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1755A | 15184 bytes |
SHA-256: 488a109859793abf6f187ba9a6b2f2ac6ec9732ea813fa543c1096ed1384692d |
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