MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'ttraff.cc'. This URL is presented in the document body, disguised as a link to 'Pdf astronomy for dummies'. The PDF also contains a large number of external links, many hosted on Shopify, suggesting a link farm for SEO manipulation or to obscure the malicious redirector. The ML classifier strongly indicates maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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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=pdf+astronomy+for+dummies In PDF document text
- http://sulelemu.thewanderers.org.au/uploads/1/3/1/8/131856772/9079627.pdfIn PDF document text
- http://files.johnmorganpoet.com/uploads/1/3/1/4/131453681/muzaragugu-zupuponogux-lidisoxij-kisabi.pdfIn PDF document text
- http://files.mustangsbasketball.com/uploads/1/3/1/4/131407918/sezemafegaj-nederidizan.pdfIn PDF document text
- http://files.scibridge.org/uploads/1/3/0/7/130739656/jizapu.pdfIn PDF document text
- http://files.charmsandsparklebyria.com/uploads/1/3/2/8/132814949/lifejegovaxedov_donisusovufibed_dibadelak.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/1/0437/2329/2822/files/55562267612.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0389/6217/files/arraylist_big_o.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2312/3100/files/lelomovo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1821/3797/files/remove_key_from_dict_python.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4804/1637/files/58795005965.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/0631/0046/files/miwodoriti.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6314/8706/files/lekivobodu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6304/9378/files/minecraft_instant_structures_mod.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9620/3679/files/5780654870.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2883/0625/files/folikonevodavet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3197/7369/files/consumer_reports_coffee_makers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4227/4454/files/55851344496.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1407/9143/files/koxewojurijugelu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7141/5196/files/33519934783.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9641/6161/files/82835809651.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_off00007926.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7926 | 5124 bytes |
SHA-256: e3cd9d1857532180c9a29d470c8204d12b273f611724dd9db4b10f59c954ddc6 |
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font_01_sfnt_off00008a88.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8A88 | 10192 bytes |
SHA-256: 935e6e2b55ca77b25b7fce8cf87b8f80412daa36fac36f5a615e3e337d988886 |
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