MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 Malicious Link
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.ru'. Additionally, it exhibits characteristics of a PDF link farm, with numerous links hosted on cdn.shopify.com, suggesting an attempt to distribute content or lure users. The presence of a 'download button' heuristic further supports the lure-based attack pattern. The document body, though heavily obfuscated, contains the malicious URL.
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=ac+market+apk++version+4.+0 In PDF document text
- http://files.siouxcenterwaa.org/uploads/1/3/2/6/132682076/kegaketuv-lomekozegiwabe-pajuloxokitolet.pdfIn PDF document text
- http://lizibo.nlcoopertyres.co.nz/uploads/1/3/1/6/131606069/5ceadd843.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/1/0428/9835/8432/files/53607129813.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/8075/1006/files/gizesojejoluzolir.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7330/5762/files/gufiretefogawodul.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0864/7580/files/zizawixixofazogadawopog.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2318/7614/files/ralirilituwitonaxunaropa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1425/0905/files/charles_baudelaire_les_fleurs_du_mal.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0461/9773/5575/files/jivadir.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/0540/0472/files/definition_of_variance_analysis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0757/3149/files/cobb_bbq_recipe_book.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5012/9813/files/leveraxabasokotifonoga.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6961/1930/files/refepujixumapilufis.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_off00008025.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8025 | 5208 bytes |
SHA-256: 113e7f131acd78e47156209841a9b1903c20b1d7aa3a19d5fdd2daab19fc5f87 |
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font_01_sfnt_off000091bc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x91BC | 9996 bytes |
SHA-256: 797654dc640d4a369e7d2e14f218bb7e94c7f9373fae3506c0dc81bf573b1832 |
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font_02_sfnt_off0000b3f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB3F8 | 4324 bytes |
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
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