MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.ru'. It also exhibits a PDF link farm heuristic, with numerous links pointing to Shopify domains, likely for SEO manipulation or to host further payloads. The document body contains a call-to-action phrase and the malicious URL, reinforcing the intent to redirect the user to potentially harmful content. No scripts were extracted, but the presence of a malicious redirector is sufficient evidence of a malicious workflow.
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=graduation+return+address+labels+free+template In PDF document text
- http://fusagup.parkwayspa.com/uploads/1/3/1/6/131637240/8553236.pdfIn PDF document text
- http://files.chslibrary.info/uploads/1/3/2/7/132741241/ligoxogepexuw.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/1/0438/0898/1152/files/creature_quest_kingdom_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5844/5979/files/rebujari.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6954/6395/files/digabiwasude.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8852/7006/files/vector_mechanics_for_engineers_statics.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4849/1415/files/goxarojokojok.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6790/8004/files/alphabet_lettering_practice_sheets.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6219/7400/files/18064530599.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4024/2840/files/dojupixafo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9568/7328/files/sinefare.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1373/3534/files/81678246873.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2650/5118/files/71743516266.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7170/8065/files/6090568909.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0415/8375/files/kasozuf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6474/4343/files/tata_trade_apprentice_2019_form_date.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_off00004ebc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4EBC | 5240 bytes |
SHA-256: 82ef080f6b0e42c861505ee53072e5cd9c17afa27d035d59e60b0f378f0ba67b |
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font_01_sfnt_off00006070.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6070 | 9632 bytes |
SHA-256: b6b2c86ebcfbf2a3bd66c3ffd67dfa687dbb48d8cb99c83c7c1007696e18b8b4 |
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font_02_sfnt_off0000816a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x816A | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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