MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 Malicious Link
T1059.001 PowerShell
The PDF file contains a heuristic firing for a malicious redirector link, which is also present in the document body. This link, 'https://ttraff.cc/pify?keyword=arbeitszeugnis+bedeutung+formulierungen', is designed to lure users into clicking it under the pretext of providing information about employment references. The file also exhibits characteristics of a link farm, with numerous external PDF links, many hosted on cdn.shopify.com. No scripts were extracted, but the presence of a malicious redirector and the link farm structure suggest a phishing or social engineering attack.
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=arbeitszeugnis+bedeutung+formulierungen In PDF document text
- http://files.isrgrandrapids.com/uploads/1/3/1/1/131164048/8197748.pdfIn PDF document text
- http://dazuzu.benzieatvassoc.com/uploads/1/3/2/6/132696398/siralanimud.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/1/0431/5771/7143/files/welodenagewudutefegodi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3237/0584/files/74616716177.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1560/2337/files/krishna_bhagwan_photo_image.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7573/9553/files/20606263091.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6731/0231/files/jijesakajibenemefekefumek.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1790/3008/files/sources_of_nitrogen_dioxide_pollution.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7743/5556/files/54133103297.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7512/5923/files/coc_mod_apk_offline_server.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3165/7638/files/kolepomu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8307/0629/files/fezesupemilab.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2218/6653/files/90221086142.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
- https://savannah.gnu.org/projects/freefont/In PDF document text
- http://www.gnu.org/licenses/In PDF document text
- http://www.gnu.org/copyleft/gpl.htmlIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000a545.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA545 | 6424 bytes |
SHA-256: 4455747fda9ac97410526ac3fee3ca643cc61cb592146befb7df79af2604d95b |
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font_01_sfnt_off0000b527.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB527 | 5196 bytes |
SHA-256: c5d17e4e2a74deacbea0a3e97113fc27f54198858cbf02f65fc64975a204e895 |
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font_02_sfnt_off0000c6c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC6C1 | 11204 bytes |
SHA-256: 5e606375f86f31663d4b16ec2577377fc365c0ee7bcf9c2989a4015623d512d5 |
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font_03_sfnt_off0000ebab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBAB | 16084 bytes |
SHA-256: 2b5e7e198710ce25a9c9facea4da25a8305a97bff148003313a6d74af80700ac |
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