MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.cc/pify?keyword=react+js+tutorial+download+pdf'. This indicates the document is designed to trick users into clicking the link, likely leading to a malicious download or phishing page. The presence of a large number of external PDF links also suggests a link farm or SEO poisoning attempt to increase visibility. No scripts were extracted, but the primary attack vector appears to be social engineering via a deceptive link.
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=react+js+tutorial+download+pdf In PDF document text
- http://files.annabellalwin.com/uploads/1/3/0/7/130738971/77828f05db.pdfIn PDF document text
- http://files.shadypinesrvpark.net/uploads/1/3/2/6/132681951/807657.pdfIn PDF document text
- http://files.actscommunitychurches.com/uploads/1/3/1/4/131408942/zaxomuzojanol.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/1/0434/4440/4374/files/citroen_berlingo_2020_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1739/5614/files/falodirudevetivujifobafow.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8212/8283/files/vesulujufudedelowemid.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4809/2327/files/59146294231.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/9981/4040/files/butcher_shop_floor_plans.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6452/3926/files/15381090944.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2204/7637/files/apprendre_le_franais_pour_les_petit_gratuitement.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/7453/3014/files/fifip.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4281/5643/files/tokefobikezumepem.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2987/3318/files/brother_mfc-_j5910dw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/1269/9798/files/nolugilinonagij.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/8619/8424/files/kigozegovawo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0448/4923/4081/files/oxford_school_thesaurus.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3706/4344/files/92614566257.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_off00006550.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6550 | 5324 bytes |
SHA-256: ff638cdf1727e4f8adf4d1b6f1de25a751a2829b6a32ec88eb2b1bcb042300be |
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font_01_sfnt_off00007793.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7793 | 10444 bytes |
SHA-256: db0a2d8ba50f57f28926b370e3fc292a048ad1433089ad513300f8d90a56aeeb |
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