MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link farm designed to redirect users to malicious infrastructure, masquerading as a "Becker cpa 2018 pdf". The primary redirector URL is https://ttraff.cc/pify?keyword=becker+cpa+2018+pdf, which is flagged as malicious. The document body itself is heavily obfuscated and contains numerous embedded URLs, many pointing to Shopify domains hosting other PDFs, likely part of a link farm to improve SEO for malicious content. No scripts were extracted from this sample.
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=becker+cpa+2018+pdf In PDF document text
- http://files.impactcommunications.org/uploads/1/3/1/4/131437362/bafebegu_perovi_fuxumaluno.pdfIn PDF document text
- http://vubikipe.aislinfields.com/uploads/1/3/1/6/131606457/1afd39e52223a5.pdfIn PDF document text
- http://files.southaustinseafoodrestaurant.com/uploads/1/3/1/1/131164556/fowoxoruwaweboza.pdfIn PDF document text
- http://xisizozaw.mathsinquiry.com/uploads/1/3/0/7/130775951/rirozuz.pdfIn PDF document text
- http://files.flourishinpurpose.com/uploads/1/3/0/8/130874101/bapixumi-busurekugeseva-dofixomoxulir.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/1/0431/5388/3293/files/76458403831.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8951/1068/files/50443780894.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4267/6648/files/70524136808.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3067/4597/files/89211407098.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4718/2759/files/jedututujufawala.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2875/0234/files/77915487379.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8578/3455/files/4213782133.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1057/1940/files/29596464635.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0043/0746/files/jonubezozekixurokojeg.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0476/4068/files/75781588978.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5117/9416/files/tesowigifaz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8212/0358/files/votopiseg.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1008/8357/files/monthly_horoscope_app.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_off00004933.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4933 | 5572 bytes |
SHA-256: db59cedbbc851926dae75261dd6595ad434ea87ac407a9801bf2c39df01610f5 |
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font_01_sfnt_off00005c3a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5C3A | 9988 bytes |
SHA-256: d559c1a3f9395de3af19b30ec5a9d3735bb09980d015c9da5ba4884bf2fa2b41 |
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