MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with a critical heuristic identifying a malicious redirector. The document body, though garbled, contains text suggesting a lure related to translation exercises. The primary malicious URL, https://ttraff.com/pify?keyword=t%25C5%2582umaczenie+zda%25C5%2584+angielski+%25C4%2587wiczenia+pdf, is likely used to redirect the user to a phishing or malware download site. The presence of many links to Shopify-hosted PDFs suggests a link farm for SEO poisoning or traffic generation.
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.com/pify?keyword=t%25C5%2582umaczenie+zda%25C5%2584+angielski+%25C4%2587wiczenia+pdf In PDF document text
- http://files.ullrichsstore.com/uploads/1/3/1/3/131380213/tigowuvopi.pdfIn PDF document text
- http://files.microbesbymarco.com/uploads/1/3/1/6/131606201/gajabo.pdfIn PDF document text
- http://files.adamkentlegal.com/uploads/1/3/2/7/132740951/6fe4625.pdfIn PDF document text
- http://files.dontbeacrashtestdummy.com/uploads/1/3/1/3/131380845/xumuruz.pdfIn PDF document text
- http://files.georgeatwood.com/uploads/1/3/1/4/131438641/piwode_vanogafafiliket_xanowaxaba_gemem.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/1/0435/1646/1211/files/pawineriti.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/7786/7422/files/zoxovif.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8001/5262/files/pilajiluked.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2484/2906/files/93854690940.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4542/0188/files/41926749738.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9805/4558/files/solabupojazebexawo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/5238/1846/files/64316820720.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5834/0774/files/5912915316.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8901/1612/files/95066442568.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8080/9625/files/50269103531.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2771/0630/files/70964931132.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/92161478626.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9360/6048/files/espn_go_com_nhl_scoreboard.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_off00006660.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6660 | 5856 bytes |
SHA-256: a949013a36db082c6b37b8869097df89ca6866d2088627cb3c82c84da262e5a9 |
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font_01_sfnt_off000079df.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x79DF | 11580 bytes |
SHA-256: 50fcbe9173130df9e2bd7c7153627f274d94b114b39a4af35bcf25a4b50c5457 |
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