MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, specifically pointing to 'ttraff.cc'. The document body, though heavily obfuscated, contains text referencing an 'Apple watch series 4 size guide' and the malicious URL. This suggests a phishing lure designed to trick users into clicking the link, which then redirects to further malicious content. The ML classifier also strongly flagged this PDF as malicious.
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=apple+watch+series+4+size+guide In PDF document text
- http://files.organizedhaven.com/uploads/1/3/1/8/131856860/kubila_zatadomewivuz.pdfIn PDF document text
- http://xuled.comprehensivewellnesssolutions.com/uploads/1/3/1/4/131413418/rovivatipazi-botugisuda-pijuput-lipajojudowu.pdfIn PDF document text
- http://files.cejcontractoraccountants.com/uploads/1/3/2/6/132695582/vapom_balidadu_tawojujili_numivadekejorot.pdfIn PDF document text
- http://files.lifebeginswithyou.com/uploads/1/3/0/7/130775076/rolapunanek.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0428/2023/9519/files/fadujaruxudegimovowise.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2892/3046/files/96835940609.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5597/2506/files/free_kalimba_tabs.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9105/1164/files/ben_ten_omniverse_video.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2933/0077/files/spagos_beaver_creek.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3058/5239/files/85657003303.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2225/3208/files/kijezegirelamujuxa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0118/3397/files/happy_birthday_lisa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8250/6647/files/22371201122.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_off00005eb0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5EB0 | 5220 bytes |
SHA-256: 7376d3b4dbcc78400742143c93d05a8dd9c4a2018e1d9051da8fe518ad236da9 |
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font_01_sfnt_off0000709c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x709C | 10352 bytes |
SHA-256: 921ebf7a000eba9f6e020363b7c52c9fb2aba1021d686b190bc4c0a445079b24 |
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font_02_sfnt_off00009408.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9408 | 4324 bytes |
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
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