MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector at ttraff.com. The document body, though heavily obfuscated, contains the target URL and appears to be a lure related to 'assessment of learning'. The presence of a malicious redirector link indicates an attempt to lead the user to a malicious site.
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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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=assessment+of+learning+1+pdf+gabuyo In PDF document text
- http://files.fluidplay.co/uploads/1/3/1/0/131070336/03ea8408cc359f.pdfIn PDF document text
- http://menifa.sjsbeacon.com/uploads/1/3/0/8/130814297/6879907.pdfIn PDF document text
- http://files.macdesignthinking.com/uploads/1/3/0/7/130775583/5ce345486.pdfIn PDF document text
- http://likozezak.homedalefarmersmarket.com/uploads/1/3/2/6/132682883/5395699.pdfIn PDF document text
- http://fontawesome.iohttp://fontawesome.io/license/In 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/1/0436/2400/5794/files/miduxafezurog.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0451/3752/6949/files/accountancy_comprehensive_project_for_class_12_cbse_2020.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1019/5605/files/41479872504.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0448/2102/0834/files/adobe_creator_online_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3309/1480/files/davip.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4416/7064/files/23282119243.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1097/2053/files/electric_current_class_10.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/44603331863.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/1070/1981/files/nukuvirokafukedusexen.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5719/3895/files/fejurudu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/4077026649.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5329/3469/files/types_of_audio_visual_media.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_off00007aa6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7AA6 | 1708 bytes |
SHA-256: 072e88f6d7948b25985567385856e0ef7447a7acab2993b2df84144ecb53069e |
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font_01_sfnt_off00008314.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8314 | 5644 bytes |
SHA-256: e5e14aebad258f702099c095f74a092ecd4ebd3038bf2e2595db00b3ae821bd4 |
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font_02_sfnt_off0000963f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x963F | 10612 bytes |
SHA-256: 2b95cdde2b5d091d4d965a8c47f856ddd8190157ed9ccb5626054466362c2510 |
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