MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF document was flagged by a critical heuristic for linking to known malicious redirector infrastructure. It also contains a large number of embedded links, many pointing to Shopify domains, which is indicative of a link farm. The primary malicious URL identified is https://ttraff.com/pify?keyword=sciatic+nerve+exercise+pdf. The document body contains obfuscated text and a reference to the malicious URL, suggesting a lure to trick users into clicking the link.
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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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.com/pify?keyword=sciatic+nerve+exercise+pdf In PDF document text
- http://nemun.amodeosfarm.com/uploads/1/3/0/7/130738638/6296f.pdfIn PDF document text
- http://files.farmhandsquartet.com/uploads/1/3/1/4/131437984/61bf408a9c67.pdfIn PDF document text
- http://files.jellybeanschilddevelopmentcenter.com/uploads/1/3/1/6/131606373/af6794f419f699.pdfIn PDF document text
- http://files.glamlashes.shop/uploads/1/3/2/6/132681409/ronuw.pdfIn PDF document text
- http://files.dhschoralmusic.com/uploads/1/3/1/4/131409170/d45ea0.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/1/0429/7913/1551/files/84979933565.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2617/6407/files/air_conditioning_and_refrigeration_institute.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7020/1760/files/lekepokafajewogo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9322/0766/files/constant_deviation_spectrometer.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6449/9105/files/vigejede.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/1194/6134/files/robijitaxisuvuzofu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3861/2378/files/tuper_tario_tros.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2876/7143/files/pdf_to_word_converter_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5109/8007/files/27634999603.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/45927795399.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3745/6534/files/439782655.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000061ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x61BA | 5348 bytes |
SHA-256: 7b34f7b7ad45f6af2e4b001ac52e4c023ede6c1f0e307c21e5a75e7e9145a2ec |
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font_01_sfnt_off000073f4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x73F4 | 10472 bytes |
SHA-256: 7d00d51f9dcf1b66368677a32b2c1ad2b2cbe47558ecd13938497ff95d3050db |
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