MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF file contains numerous embedded links, with a critical heuristic identifying a malicious redirector at 'https://ttraff.ru/pify?keyword=iron+jawed+angels+worksheet+answers'. The document body, though heavily obfuscated, appears to contain the same keyword phrase, suggesting a lure to trick users into clicking the malicious link. The presence of a large number of external PDF links, many hosted on shopify.com, indicates a link farm strategy to improve search engine ranking and distribute the malicious payload.
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=iron+jawed+angels+worksheet+answers In PDF document text
- http://files.basic-foundations.org/uploads/1/3/1/4/131453843/e09684f5ae5c46a.pdfIn PDF document text
- http://files.chapman-bond-chatman.org/uploads/1/3/1/4/131409309/nowovijavejub.pdfIn PDF document text
- http://files.kickflys.com/uploads/1/3/0/7/130776712/7cd3ab57.pdfIn PDF document text
- http://files.support.famhealth.com/uploads/1/3/1/4/131437740/3357936.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/1/0434/1540/4702/files/online_books_urdu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8212/0357/files/exclamatory_sentences_examples.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/3314/8062/files/joveg.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9441/6290/files/nationalist_movement_in_west_africa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3555/0111/files/wisezuzutipokomutogitegu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3142/8248/files/malcolm_bradbury_the_modern_british_novel.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1926/3397/files/auguste_comte_livros.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4785/5004/files/xagirakuzawujomigoben.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4223/2725/files/23791691829.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2153/1293/files/mathematics_grade_12_question_papers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2228/5976/files/49291146604.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1925/5454/files/sleeping_beauty_piano_sheet_music.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/8562/5499/files/bob_ong_si.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/69892687871.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_off000124e7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x124E7 | 4996 bytes |
SHA-256: d16c34e5825c98e7d5d724bd21791841ba00aea8b5b637f57ffaaddb0082e994 |
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font_01_sfnt_off000135f0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x135F0 | 11636 bytes |
SHA-256: 47570bd1e424d8b1ce06b7873ac32a64259913146057ecd4f514ceb52513a142 |
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font_02_sfnt_off00015d42.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15D42 | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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