MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link that redirects to a known malicious domain (ttraff.com), as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, appears to contain text related to 'speaking test preparation' and the malicious URL itself. The PDF_SEO_LINK_FARM heuristic also indicates the presence of numerous external links, suggesting a link farm or redirection strategy. The primary attack vector is likely social engineering via a deceptive 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=speaking+test+preparation+pack+for+cambridge+english+proficiency+pdf In PDF document text
- http://files.womanite.org/uploads/1/3/1/8/131857983/1218982.pdfIn PDF document text
- http://files.ironbreedlemc.org/uploads/1/3/2/6/132695915/39eb5d6b1.pdfIn PDF document text
- http://files.shoulderandhandclinicisleofwight.com/uploads/1/3/1/3/131382470/2619978.pdfIn PDF document text
- http://files.michaelmoreen.com/uploads/1/3/1/4/131453451/naxafokavuwixit_zufelidil.pdfIn PDF document text
- http://files.askpapabear.com/uploads/1/3/0/8/130873983/vukonozuruvikapewid.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/1/0431/9870/9917/files/84087119746.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0374/8263/files/the_weight_of_glory_cs_lewis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8747/0494/files/59574936780.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1949/3785/files/3248667581.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7634/6266/files/zijigajitetel.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9980/0217/files/mijemafikosotew.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/1378/2179/files/playercorefactory_xml_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6158/2755/files/best_minecraft_mods_1._14.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3071/6322/files/aashto_standard_specifications_for_highway_bridges_2020.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3821/0205/files/tavigewepuganopu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4952/5156/files/jorapizodopiviba.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3598/4029/files/44482658896.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7967/1718/files/jukufavurivewen.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_off0000ca70.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA70 | 5980 bytes |
SHA-256: a812b42f7703d7a3e62e3dbdb85c52d54b03e0239dd6b3b52343bf3ed05a682a |
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font_01_sfnt_off0000dead.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEAD | 16564 bytes |
SHA-256: c35bc4ae27cea5cd4fa3f33867f0c27aca23f6806b379bb10ac16ce3ca293a87 |
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