MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a known malicious redirector, ttraff.cc, which is likely used to funnel victims to further malicious content. The document body, though heavily obfuscated, contains references to the malicious URL and a large number of benign-looking PDF links hosted on Shopify, suggesting a link farm or SEO poisoning tactic. The ML classifier strongly indicates maliciousness.
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.cc/pify?keyword=mathematical+induction+problems+solution+pdf In PDF document text
- http://files.austinhouseinn.com/uploads/1/3/1/4/131408970/7c3f2b4309.pdfIn PDF document text
- http://files.bathwickestateresidentsassociation.org/uploads/1/3/0/9/130969624/be3c44.pdfIn PDF document text
- http://files.forestgardensoap.com/uploads/1/3/2/6/132681767/dopuj.pdfIn PDF document text
- http://files.flagshipduluth.shop/uploads/1/3/1/1/131163914/3954245.pdfIn PDF document text
- http://kogixa.cyclonejerseys.com/uploads/1/3/0/8/130874254/niwomap.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/1/0432/5041/7827/files/85960931986.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9618/7815/files/fapirata.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2745/6419/files/dd_form_2981.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5473/4241/files/37953595112.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0450/4561/2694/files/j._cole_born_sinner_tracklist.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5620/9819/files/nuwelatanefaxefuwa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2442/4853/files/fatupotugo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5015/5688/files/66246263902.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5588/3175/files/valosepevinawobaru.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7274/8710/files/27464934121.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7286/3904/files/all_human_body_systems_and_their_functions.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3852/3047/files/9472481502.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5135/1200/files/56685505060.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007ea0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7EA0 | 5540 bytes |
SHA-256: fde3a927545a60ef43d02ef429a56f91e9a24132edc688a17e4841c9dadb6020 |
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font_01_sfnt_off0000914e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x914E | 14524 bytes |
SHA-256: e67cb8d04e46608bd22ea3aa333b8f444588a7ddbaaedc9b1e7b3cd3f9706cbd |
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font_02_sfnt_off0000bf88.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBF88 | 16208 bytes |
SHA-256: 93e0cc282fa2811fe6f06abb82736e9d01999a8214118d9977962657a40fae05 |
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