MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. Additionally, it exhibits characteristics of a PDF link farm, with numerous external links, including one to a Shopify domain. The document body, though heavily obfuscated, contains the malicious URL and appears to be a lure related to 'Appserv 8.6.0'. The presence of a download button heuristic further supports 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.com/pify?keyword=appserv+8.+6.+0 In PDF document text
- http://files.rendonpt.org/uploads/1/3/2/3/132303068/pojejefizomo.pdfIn PDF document text
- http://files.healdsburgartgalleries.com/uploads/1/3/1/1/131164063/b43cedd8ea.pdfIn PDF document text
- http://files.tppc.org/uploads/1/3/1/6/131636762/3788901.pdfIn PDF document text
- http://files.tinagutierrezartsphotography.com/uploads/1/3/0/7/130775383/remax-taxopugazaledu-fuluxibejurifuj-lavosiraleset.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/1/0434/0216/6428/files/strength_of_materials_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2243/4972/files/wunibun.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7399/3890/files/longman_writer_9th_edition_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7230/7875/files/30936358609.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2816/9375/files/52643991303.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kenawuvotijogajutimev.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0449/8613/8792/files/wedding_march_score.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0777/8711/files/18361501058.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/0369/6536/files/stihl_028_wb.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/3599/8880/files/22285188549.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5214/6587/files/daguvutep.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_off000065c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x65C4 | 4588 bytes |
SHA-256: c14e2e8a57b1a8b7810eb460e2c4b297b76d39c895b1902109d6b25adaa9d972 |
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font_01_sfnt_off00007561.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7561 | 12696 bytes |
SHA-256: 87344a300c0ca09e2df84f648c7b756c6951a004025e7eb6701b9f5a2a5cca9f |
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font_02_sfnt_off00009db1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9DB1 | 4324 bytes |
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
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